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From: "swaroop.tekale at se dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/104424] -fvolatile, not documented in gcc-4.3.3
Date: Mon, 07 Feb 2022 17:04:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104424

--- Comment #2 from Swaroop Tekale <swaroop.tekale at se dot com> ---
It seems to be there on or before gcc-3.3.6:

https://gcc.gnu.org/onlinedocs/gcc-3.3.6/gcc/Option-Summary.html#Option-Sum=
mary

Code Generation Options
See Options for Code Generation Conventions.
          -fcall-saved-reg  -fcall-used-reg=20
          -ffixed-reg  -fexceptions=20
          -fnon-call-exceptions  -funwind-tables=20
          -fasynchronous-unwind-tables=20
          -finhibit-size-directive  -finstrument-functions=20
          -fno-common  -fno-ident  -fno-gnu-linker=20
          -fpcc-struct-return  -fpic  -fPIC=20
          -freg-struct-return  -fshared-data  -fshort-enums=20
          -fshort-double  -fshort-wchar  -fvolatile=20
          -fvolatile-global  -fvolatile-static=20
          -fverbose-asm  -fpack-struct  -fstack-check=20
          -fstack-limit-register=3Dreg  -fstack-limit-symbol=3Dsym=20
          -fargument-alias  -fargument-noalias=20
          -fargument-noalias-global  -fleading-underscore=20
          -ftls-model=3Dmodel=20
          -ftrapv  -fbounds-check=